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Cartier - Cartier Platinum Santos Dumont Ref. 1575 - The Keystone Watches

Cartier Platinum Santos Dumont Ref. 1575

Cartier Platinum Santos Dumont Ref. 1575

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Cartier - Cartier Platinum Santos Dumont Watch, Ref. 1575 - The Keystone Watches

Cartier Platinum Santos Dumont Watch, Ref. 1575

Cartier Platinum Santos Dumont Watch, Ref. 1575

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Cartier - Cartier Platinum Santos Mecanique Watch Ref. 1575 - The Keystone Watches

Cartier Platinum Santos Mecanique Watch Ref. 1575

Cartier Platinum Santos Mecanique Watch Ref. 1575

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Cartier - Cartier Platinum Santos Ref. 1575 - The Keystone Watches

Cartier Platinum Santos Ref. 1575

Cartier Platinum Santos Ref. 1575

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Cartier - Cartier Platinum Santos Ref. 1575 - The Keystone Watches

Cartier Platinum Santos Ref. 1575

Cartier Platinum Santos Ref. 1575

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Cartier - Cartier Platinum Santos Watch, Circa 1920s - The Keystone Watches

Cartier Platinum Santos Watch, Circa 1920s

Cartier Platinum Santos Watch, Circa 1920s

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Cartier - Cartier Platinum Santos-Dumont Le Bresil Tank Ref. WGSA0034, Limited Edition of 100 Pieces - The Keystone Watches

Cartier Platinum Santos-Dumont Le Bresil Tank Ref. WGSA0034, Limited Edition of 100 Pieces

Cartier Platinum Santos-Dumont Le Bresil Tank Ref. WGSA0034, Limited Edition of 100 Pieces

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Cartier Platinum Tank Asymmetric Ref. WGTA0042

Cartier Platinum Tank Asymmetric Ref. WGTA0042

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Cartier - Cartier Platinum Tank Chinoise Ref. 2685 - The Keystone Watches

Cartier Platinum Tank Chinoise Ref. 2685

Cartier Platinum Tank Chinoise Ref. 2685

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Cartier - Cartier Platinum Tank Cintree Medium Watch, 1920s - The Keystone Watches

Cartier Platinum Tank Cintree Medium Watch, 1920s

Cartier Platinum Tank Cintree Medium Watch, 1920s

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Cartier Platinum Tank Cintree Ref. 4124

Cartier Platinum Tank Cintree Ref. 4124

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Cartier - Cartier Platinum Tank Cintree Skeletonized Watch - The Keystone Watches

Cartier Platinum Tank Cintree Skeletonized Watch

Cartier Platinum Tank Cintree Skeletonized Watch

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Cartier - Cartier Platinum Tank Classic Watch - The Keystone Watches

Cartier Platinum Tank Classic Watch

Cartier Platinum Tank Classic Watch

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Cartier - Cartier Platinum Tank Louis Ref. 1601 - The Keystone Watches

Cartier Platinum Tank Louis Ref. 1601

Cartier Platinum Tank Louis Ref. 1601

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Cartier - Cartier Platinum Tank Mechanical Watch - The Keystone Watches

Cartier Platinum Tank Mechanical Watch

Cartier Platinum Tank Mechanical Watch

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Cartier Platinum Tank Watch Ref. 1601 with Rare Salmon Dial, Edition of 70

Cartier Platinum Tank Watch Ref. 1601 with Rare Salmon Dial, Edition of 70

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Cartier Platinum Tortue Perpetual Calendar CPCP Watch Ref. 2646

Cartier Platinum Tortue Perpetual Calendar CPCP Watch Ref. 2646

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Cartier Platinum Tortue Watch Ref. 2518D

Cartier Platinum Tortue Watch Ref. 2518D

$19,750 USD
 

Cartier Platinum Vendome Ronde Louis Ref. 1297

Cartier Platinum Vendome Ronde Louis Ref. 1297

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Cartier - Cartier Platinum Vendome Watch, 1974 - The Keystone Watches

Cartier Platinum Vendome Watch, 1974

Cartier Platinum Vendome Watch, 1974

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Cartier - Cartier Platinum VLC Watch with Original Red Dial - The Keystone Watches

Cartier Platinum VLC Watch with Original Red Dial

Cartier Platinum VLC Watch with Original Red Dial

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Cartier - Cartier Rose Gold Automatic Tank Americaine Ref. 2927 (NEW ARRIVAL) - The Keystone Watches

Cartier Rose Gold Automatic Tank Americaine Ref. 2927 (NEW ARRIVAL)

Cartier Rose Gold Automatic Tank Americaine Ref. 2927 (NEW ARRIVAL)

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Cartier - Cartier Rose Gold Baignoire Allongee Ref. WGBA0009 - The Keystone Watches

Cartier Rose Gold Baignoire Allongee Ref. WGBA0009

Cartier Rose Gold Baignoire Allongee Ref. WGBA0009

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Cartier - Cartier Rose Gold Baignoire Allongee Ref. WGBA0009 - The Keystone Watches

Cartier Rose Gold Baignoire Allongee Ref. WGBA0009

Cartier Rose Gold Baignoire Allongee Ref. WGBA0009

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Cartier - Cartier Rose Gold Ballon Bleu Ref. W69002Z2 - The Keystone Watches

Cartier Rose Gold Ballon Bleu Ref. W69002Z2

Cartier Rose Gold Ballon Bleu Ref. W69002Z2

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Cartier Rose Gold Clash [Un]Limited Watch Ref. WGMB0003

Cartier Rose Gold Clash [Un]Limited Watch Ref. WGMB0003

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Cartier - Cartier Rose Gold Cle de Cartier Mysterious Watch - The Keystone Watches

Cartier Rose Gold Cle de Cartier Mysterious Watch

Cartier Rose Gold Cle de Cartier Mysterious Watch

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Cartier - Cartier Rose Gold Flying Tourbillon Watch Ref W1580046 - The Keystone Watches

Cartier Rose Gold Flying Tourbillon Watch Ref W1580046

Cartier Rose Gold Flying Tourbillon Watch Ref W1580046

$58,000 USD
 
Cartier - Cartier Rose Gold Panthere Pink Diamond Watch, Special Order - The Keystone Watches

Cartier Rose Gold Panthere Pink Diamond Watch, Special Order

Cartier Rose Gold Panthere Pink Diamond Watch, Special Order

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Cartier - Cartier Rose Gold Ronde Louis Ref. WGRN011 - The Keystone Watches

Cartier Rose Gold Ronde Louis Ref. WGRN011

Cartier Rose Gold Ronde Louis Ref. WGRN011

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Cartier - Cartier Rose Gold Rotonde de Cartier Ref. W1556252 - The Keystone Watches

Cartier Rose Gold Rotonde de Cartier Ref. W1556252

Cartier Rose Gold Rotonde de Cartier Ref. W1556252

$13,500 USD
 
Cartier - Cartier Rose Gold Rotonde Tourbillon Monopusher Chronograph Watch W1580032 - The Keystone Watches

Cartier Rose Gold Rotonde Tourbillon Monopusher Chronograph Watch W1580032

Cartier Rose Gold Rotonde Tourbillon Monopusher Chronograph Watch W1580032

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Cartier - Cartier Rose Gold Tank a Guichet Watch, Limited Edition of 3 - The Keystone Watches

Cartier Rose Gold Tank a Guichet Watch, Limited Edition of 3

Cartier Rose Gold Tank a Guichet Watch, Limited Edition of 3

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Cartier - Cartier Rose Gold Tank a Guichets Jump Hour Watch - The Keystone Watches

Cartier Rose Gold Tank a Guichets Jump Hour Watch

Cartier Rose Gold Tank a Guichets Jump Hour Watch

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Cartier - Cartier Rose Gold Tank a Vis Dual Time Ref. 2594 - The Keystone Watches

Cartier Rose Gold Tank a Vis Dual Time Ref. 2594

Cartier Rose Gold Tank a Vis Dual Time Ref. 2594

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Cartier - Cartier Rose Gold Tank A Vis Dual Time Watch Ref. W1537651 - The Keystone Watches

Cartier Rose Gold Tank A Vis Dual Time Watch Ref. W1537651

Cartier Rose Gold Tank A Vis Dual Time Watch Ref. W1537651

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New Arrivals Preview
 
Rolex - Rolex Yellow Gold Cellini Watch Ref. 4934/8 with Logo Bracelet (New Arrival) - The Keystone Watches

Rolex Yellow Gold Cellini Watch Ref. 4934/8 with Logo Bracelet (New Arrival)

Rolex Yellow Gold Cellini Watch Ref. 4934/8 with Logo Bracelet (New Arrival)

$15,500 USD
 
Rolex White Gold Cellini Ref. 4083 (New Arrival)

Rolex White Gold Cellini Ref. 4083 (New Arrival)

Rolex White Gold Cellini Ref. 4083 (New Arrival)

$4,500 USD
 
Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

$9,800 USD
 
Patek Philippe White Gold Calatrava Watch Ref. 3445 in Top Condition (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 3445 in Top Condition (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 3445 in Top Condition (New Arrival)

$15,000 USD
 
Rolex - Rolex Yellow Gold Day-Date Ref. 18238 in Original Condition (New Arrival) - The Keystone Watches

Rolex Yellow Gold Day-Date Ref. 18238 in Original Condition (New Arrival)

Rolex Yellow Gold Day-Date Ref. 18238 in Original Condition (New Arrival)

$17,500 USD
 
Patek Philippe - Patek Philiipe White Gold Pocket Watch Ref. 874 (New Arrival) - The Keystone Watches

Patek Philiipe White Gold Pocket Watch Ref. 874 (New Arrival)

Patek Philiipe White Gold Pocket Watch Ref. 874 (New Arrival)

$23,500 USD
 
Patek Philippe - Patek Philippe Yellow Gold Watch Ref. 3479 Retailed by Beyer (New Arrival) - The Keystone Watches

Patek Philippe Yellow Gold Watch Ref. 3479 Retailed by Beyer (New Arrival)

Patek Philippe Yellow Gold Watch Ref. 3479 Retailed by Beyer (New Arrival)

$8,500 USD
Shop all New Arrivals Preview

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Guarantee

Our watches go through a rigorous authentication process in which seasoned experts examine and evaluate the watches. These experts have decades of experience and have authenticated thousands of watches in their lifetime. We guarantee every piece of the watches we offer are 100% authentic. 

CONTACT US

You can reach us by emailing hello@thekeystone.com or call 213-632-9061

We are based in West Hollywood, CA. Please contact us for appointments to view a watch in person. 

We are not authorized sellers of the brands listed on our site. We sell vintage and pre-owned product.

Stay in touch.

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